<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="avatar" />
      </div>
      <!-- 登录表单 -->
      <div>
        <el-form
          ref="loginFromRef"
          :rules="loginFromRefRules"
          :model="loginFromRef"
          label-width="60px"
          class="login_form"
        >
          <el-form-item label="账号" prop="username">
            <el-input
              v-model="loginFromRef.username"
              prefix-icon="iconfont icon-user"
            ></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input
              v-model="loginFromRef.password"
              type="password"
              prefix-icon="iconfont icon-3702mima"
            ></el-input>
          </el-form-item>
          <el-form-item class="btns">
            <el-button type="primary" @click="submitForm">登录</el-button>
            <el-button type="info" @click="resetForm">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>
<script>
export default {
  data() {
    return {
      loginFromRef: {
        username: "admin",
        password: "123456",
      },
      // 表单验证
      loginFromRefRules: {
        username: [
          { required: true, message: "请输入登录名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入登录密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 6 到 15 个字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    submitForm() {
      this.$refs.loginFromRef.validate((valid) => {
        if (!valid) return;
        const result = this.$http
          .post("login", this.loginFromRef)
          .then((data) => {
            // console.log(data);
            if (data.data.meta.status !== 200)
              return this.$message.error("登录失败");
            this.$message.success("登录成功");
            window.sessionStorage.setItem("token", data.data.data.token);
            this.$router.push("/home");
          });
      });
    },
    resetForm() {
      this.$refs.loginFromRef.resetFields();
    },
  },
};
</script>
<style lang="less" scoped>
/* // lang="less" 支持less格式
// scoped vue的指令，只在当前组件生效 */
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 360px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  // -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  background-color: #fff;

  .avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form {
  position: absolute;
  bottom: 60px;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns {
  display: flex;
  justify-content: center;
}
.info {
  font-size: 13px;
  margin: 10px 15px;
}
</style>
